./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:15:02,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:15:02,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:15:02,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:15:02,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:15:02,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:15:02,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:15:02,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:15:02,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:15:02,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:15:02,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:15:02,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:15:02,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:15:02,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:15:02,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:15:02,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:15:02,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:15:02,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:15:02,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:15:02,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:15:02,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:15:02,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:15:02,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:15:02,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:15:02,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:15:02,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:15:02,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:15:02,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:15:02,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:15:02,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:15:02,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:15:02,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:15:02,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:15:02,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:15:02,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:15:02,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:15:02,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:15:02,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:15:02,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:15:02,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:15:02,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:15:02,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:15:02,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:15:02,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:15:02,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:15:02,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:15:02,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:15:02,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:15:02,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:15:02,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:15:02,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:15:02,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:15:02,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:15:02,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:15:02,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:15:02,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:15:02,722 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:15:02,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:15:02,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:15:02,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:15:02,723 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:15:02,723 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:15:02,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:15:02,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:02,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:15:02,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:15:02,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:15:02,724 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:15:02,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:15:02,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:15:02,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f [2021-11-23 01:15:03,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:15:03,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:15:03,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:15:03,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:15:03,147 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:15:03,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2021-11-23 01:15:03,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/f2d0617b4/f269dba4c4b64fa3a1e153ceab6adeb3/FLAG9c7ac0ed9 [2021-11-23 01:15:03,786 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:15:03,792 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2021-11-23 01:15:03,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/f2d0617b4/f269dba4c4b64fa3a1e153ceab6adeb3/FLAG9c7ac0ed9 [2021-11-23 01:15:04,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/f2d0617b4/f269dba4c4b64fa3a1e153ceab6adeb3 [2021-11-23 01:15:04,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:15:04,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:15:04,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:04,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:15:04,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:15:04,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c54198c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04, skipping insertion in model container [2021-11-23 01:15:04,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:15:04,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:15:04,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538] [2021-11-23 01:15:04,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:04,505 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:15:04,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538] [2021-11-23 01:15:04,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:04,580 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:15:04,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04 WrapperNode [2021-11-23 01:15:04,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:04,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:04,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:15:04,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:15:04,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,641 INFO L137 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 01:15:04,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:04,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:15:04,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:15:04,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:15:04,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:15:04,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:15:04,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:15:04,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:15:04,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:04" (1/1) ... [2021-11-23 01:15:04,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:04,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:15:04,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:15:04,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:15:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:15:04,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:15:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:15:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:15:04,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:15:04,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:15:04,820 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:15:04,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:15:04,991 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:15:05,025 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:15:05,026 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:15:05,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:05 BoogieIcfgContainer [2021-11-23 01:15:05,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:15:05,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:15:05,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:15:05,041 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:15:05,041 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:05" (1/1) ... [2021-11-23 01:15:05,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:15:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2021-11-23 01:15:05,133 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-11-23 01:15:05,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:15:05,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2021-11-23 01:15:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2021-11-23 01:15:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:15:05,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2021-11-23 01:15:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-23 01:15:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:15:05,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:05,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:15:05,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-11-23 01:15:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-11-23 01:15:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:15:05,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:16,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:15:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2021-11-23 01:15:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2021-11-23 01:15:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:15:18,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:18,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2021-11-23 01:15:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2021-11-23 01:15:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:15:19,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:19,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2021-11-23 01:15:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2021-11-23 01:15:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:15:22,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:22,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2021-11-23 01:15:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2021-11-23 01:15:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:15:23,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:23,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:23,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:15:23,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2021-11-23 01:15:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2021-11-23 01:15:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:15:24,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:24,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 107 transitions. [2021-11-23 01:15:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions. [2021-11-23 01:15:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:15:26,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:26,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:26,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:15:26,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 57 states and 119 transitions. [2021-11-23 01:15:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 119 transitions. [2021-11-23 01:15:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:15:28,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:28,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:28,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:15:28,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 126 transitions. [2021-11-23 01:15:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 126 transitions. [2021-11-23 01:15:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:15:29,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:29,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 135 transitions. [2021-11-23 01:15:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 135 transitions. [2021-11-23 01:15:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:15:32,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:32,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:32,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:32,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 147 transitions. [2021-11-23 01:15:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 147 transitions. [2021-11-23 01:15:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:15:34,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:34,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 70 states and 154 transitions. [2021-11-23 01:15:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 154 transitions. [2021-11-23 01:15:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:15:36,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:36,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:36,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:15:36,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:15:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 73 states and 162 transitions. [2021-11-23 01:15:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 162 transitions. [2021-11-23 01:15:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:15:39,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:39,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:39,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:15:39,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:15:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 165 transitions. [2021-11-23 01:15:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 165 transitions. [2021-11-23 01:15:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:15:41,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:41,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:41,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:41,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:15:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 81 states and 185 transitions. [2021-11-23 01:15:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 185 transitions. [2021-11-23 01:15:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:15:47,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:47,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:47,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:47,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 83 states and 196 transitions. [2021-11-23 01:15:48,822 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 196 transitions. [2021-11-23 01:15:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:15:48,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:48,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:48,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:15:48,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:00,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:16:11,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:16:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 86 states and 204 transitions. [2021-11-23 01:16:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 204 transitions. [2021-11-23 01:16:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:16:12,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:12,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 94 states and 221 transitions. [2021-11-23 01:16:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 221 transitions. [2021-11-23 01:16:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:16:20,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:20,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:20,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:16:20,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:16:31,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:16:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 96 states and 224 transitions. [2021-11-23 01:16:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 224 transitions. [2021-11-23 01:16:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:16:33,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:33,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:33,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:16:33,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:16:42,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 104 states and 250 transitions. [2021-11-23 01:16:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 250 transitions. [2021-11-23 01:16:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:16:42,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:42,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:42,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:16:42,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:16:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 109 states and 261 transitions. [2021-11-23 01:16:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 261 transitions. [2021-11-23 01:16:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:16:50,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:50,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:50,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:16:50,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 111 states and 262 transitions. [2021-11-23 01:16:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 262 transitions. [2021-11-23 01:16:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:16:52,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:52,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:52,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:16:52,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:16:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 113 states and 267 transitions. [2021-11-23 01:16:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 267 transitions. [2021-11-23 01:16:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:16:54,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:54,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:54,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:16:54,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:17:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 125 states and 302 transitions. [2021-11-23 01:17:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 302 transitions. [2021-11-23 01:17:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:17:07,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:18,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:18,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 88 states and 175 transitions. [2021-11-23 01:17:18,373 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 175 transitions. [2021-11-23 01:17:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:18,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:18,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:17:18,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:17:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2021-11-23 01:17:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2021-11-23 01:17:23,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:17:23,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:23,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:23,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:17:23,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:17:36,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:17:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2021-11-23 01:17:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2021-11-23 01:17:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:39,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:39,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:39,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:17:39,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:39,642 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:17:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 178 transitions. [2021-11-23 01:17:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 178 transitions. [2021-11-23 01:17:41,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:17:41,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-23 01:17:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 92 states and 162 transitions. [2021-11-23 01:17:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 162 transitions. [2021-11-23 01:17:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:17:46,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:17:46,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:17:59,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:17:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 96 states and 175 transitions. [2021-11-23 01:17:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 175 transitions. [2021-11-23 01:17:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:17:59,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:17:59,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:18:11,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:18:21,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:18:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 98 states and 181 transitions. [2021-11-23 01:18:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 181 transitions. [2021-11-23 01:18:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:21,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:18:31,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:18:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 102 states and 191 transitions. [2021-11-23 01:18:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 191 transitions. [2021-11-23 01:18:31,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:18:31,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:31,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 104 states and 194 transitions. [2021-11-23 01:18:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2021-11-23 01:18:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:18:43,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:18:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 104 states and 193 transitions. [2021-11-23 01:18:45,410 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 193 transitions. [2021-11-23 01:18:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:18:45,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:18:45,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:18:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 106 states and 195 transitions. [2021-11-23 01:18:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 195 transitions. [2021-11-23 01:18:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:18:48,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:48,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:18:48,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:21:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 108 states and 199 transitions. [2021-11-23 01:21:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 199 transitions. [2021-11-23 01:21:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:34,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:34,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:34,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:21:34,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:21:35,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 110 states and 204 transitions. [2021-11-23 01:21:35,439 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 204 transitions. [2021-11-23 01:21:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:21:35,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:35,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:35,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:21:35,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:22:50,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:23:01,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:23:11,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:23:21,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:23:32,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:23:42,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:23:53,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:24:03,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:24:14,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:24:24,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:24:35,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:24:45,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:24:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 113 states and 225 transitions. [2021-11-23 01:24:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2021-11-23 01:24:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:24:45,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:24:45,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:25:03,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:25:13,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:25:26,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:25:36,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:25:39,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:25:42,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:27:10,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:27:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 124 states and 331 transitions. [2021-11-23 01:27:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 331 transitions. [2021-11-23 01:27:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:27:10,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:27:10,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:27:50,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:01,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:11,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:21,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 127 states and 340 transitions. [2021-11-23 01:28:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 340 transitions. [2021-11-23 01:28:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:28:21,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:21,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:21,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:28:21,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:28:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 128 states and 342 transitions. [2021-11-23 01:28:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 342 transitions. [2021-11-23 01:28:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:28:21,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:21,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 01:28:32,281 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:28:32,284 INFO L158 Benchmark]: Toolchain (without parser) took 808154.77ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.7MB in the beginning and 45.0MB in the end (delta: 14.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2021-11-23 01:28:32,284 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:32,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.37ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 75.8MB in the end (delta: -16.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:28:32,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.06ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 74.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:32,285 INFO L158 Benchmark]: Boogie Preprocessor took 26.82ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 73.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:28:32,286 INFO L158 Benchmark]: RCFGBuilder took 358.94ms. Allocated memory is still 102.8MB. Free memory was 73.1MB in the beginning and 60.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:28:32,286 INFO L158 Benchmark]: CodeCheck took 807253.79ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 60.2MB in the beginning and 45.0MB in the end (delta: 15.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 01:28:32,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.37ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 75.8MB in the end (delta: -16.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.06ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 74.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.82ms. Allocated memory is still 102.8MB. Free memory was 74.2MB in the beginning and 73.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.94ms. Allocated memory is still 102.8MB. Free memory was 73.1MB in the beginning and 60.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 807253.79ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 60.2MB in the beginning and 45.0MB in the end (delta: 15.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:28:32,515 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-11-23 01:28:32,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:28:34,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:28:34,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:28:34,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:28:34,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:28:34,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:28:34,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:28:34,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:28:34,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:28:34,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:28:34,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:28:34,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:28:34,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:28:34,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:28:34,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:28:34,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:28:34,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:28:34,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:28:34,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:28:34,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:28:34,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:28:34,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:28:34,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:28:34,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:28:34,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:28:34,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:28:34,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:28:34,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:28:34,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:28:34,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:28:34,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:28:34,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:28:34,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:28:34,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:28:34,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:28:34,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:28:34,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:28:34,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:28:34,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:28:34,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:28:34,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:28:34,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:28:34,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:28:34,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:28:34,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:28:34,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:28:34,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:28:34,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:28:34,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:28:34,870 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:28:34,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:28:34,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:28:34,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:28:34,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:28:34,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:28:34,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:28:34,872 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:28:34,872 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:28:34,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:28:34,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:28:34,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:28:34,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:28:34,873 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:28:34,873 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:28:34,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:28:34,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:34,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:28:34,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:28:34,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:28:34,875 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:28:34,875 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:28:34,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:28:34,875 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:28:34,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:28:34,876 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f [2021-11-23 01:28:35,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:28:35,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:28:35,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:28:35,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:28:35,272 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:28:35,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2021-11-23 01:28:35,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/f90f17291/10228c9e27b8423aa247f0b55ceb7c77/FLAG82f5471a1 [2021-11-23 01:28:35,962 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:28:35,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2021-11-23 01:28:35,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/f90f17291/10228c9e27b8423aa247f0b55ceb7c77/FLAG82f5471a1 [2021-11-23 01:28:36,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/data/f90f17291/10228c9e27b8423aa247f0b55ceb7c77 [2021-11-23 01:28:36,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:28:36,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:28:36,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:36,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:28:36,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:28:36,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f35d5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36, skipping insertion in model container [2021-11-23 01:28:36,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:28:36,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:28:36,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538] [2021-11-23 01:28:36,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:36,520 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:28:36,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538] [2021-11-23 01:28:36,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:36,615 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:28:36,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36 WrapperNode [2021-11-23 01:28:36,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:36,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:36,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:28:36,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:28:36,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,656 INFO L137 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 01:28:36,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:36,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:28:36,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:28:36,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:28:36,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:28:36,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:28:36,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:28:36,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:28:36,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:36" (1/1) ... [2021-11-23 01:28:36,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:28:36,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:28:36,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:28:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:28:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:28:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:28:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:28:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:28:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:28:36,834 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:28:36,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:28:36,999 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:28:37,030 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:28:37,031 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:28:37,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:37 BoogieIcfgContainer [2021-11-23 01:28:37,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:28:37,034 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:28:37,034 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:28:37,044 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:28:37,044 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:37" (1/1) ... [2021-11-23 01:28:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:28:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2021-11-23 01:28:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-11-23 01:28:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:28:37,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,190 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:28:37,198 INFO L158 Benchmark]: Toolchain (without parser) took 893.13ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 47.9MB in the end (delta: 333.1kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2021-11-23 01:28:37,199 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:37,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.05ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 49.2MB in the end (delta: -1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:28:37,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 47.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:37,204 INFO L158 Benchmark]: Boogie Preprocessor took 27.00ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 46.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:28:37,206 INFO L158 Benchmark]: RCFGBuilder took 348.55ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 32.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:28:37,207 INFO L158 Benchmark]: CodeCheck took 160.87ms. Allocated memory is still 67.1MB. Free memory was 32.8MB in the beginning and 47.9MB in the end (delta: -15.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 01:28:37,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.05ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 49.2MB in the end (delta: -1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 47.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.00ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 46.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.55ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 32.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 160.87ms. Allocated memory is still 67.1MB. Free memory was 32.8MB in the beginning and 47.9MB in the end (delta: -15.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:28:37,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d9e2e7-8023-4987-bc0b-ab80e1629fd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared